-9.82% is the change from 662 to 597
Calculation steps:
[( 597 - 662 ) ÷ 662] x 100 = -9.82%
Formula
Percentage change = [(597 - 662) / 662] x 100
Subtract the new number by the original number
597 - 662 = -65
-65 ÷ 662 = -0.09818731117824774
-0.09818731117824774 x 100 = -9.82%